feat: Enhance currency handling and validation across scenarios

- Updated form template to prefill currency input with default value and added help text for clarity.
- Modified integration tests to assert more descriptive error messages for invalid currency codes.
- Introduced new tests for currency normalization and validation in various scenarios, including imports and exports.
- Added comprehensive tests for pricing calculations, ensuring defaults are respected and overrides function correctly.
- Implemented unit tests for pricing settings repository, ensuring CRUD operations and default settings are handled properly.
- Enhanced scenario pricing evaluation tests to validate currency handling and metadata defaults.
- Added simulation tests to ensure Monte Carlo runs are accurate and handle various distribution scenarios.

templates/partials/reports/options_card.html

@@ -0,0 +1,56 @@
+{% if options %}
+  {% set distribution_enabled = options.distribution %}
+  {% set samples_enabled = options.samples and options.distribution %}
+{% endif %}
+
+<section class="report-options">
+  <div class="report-card">
+    <h2>Data Options</h2>
+    <ul class="metric-list compact">
+      <li>
+        <span>Monte Carlo Distribution</span>
+        <strong>
+          {% if options %}
+            {{ distribution_enabled and "Enabled" or "Disabled" }}
+          {% else %}
+            Not requested
+          {% endif %}
+        </strong>
+      </li>
+      <li>
+        <span>Sample Storage</span>
+        <strong>
+          {% if options %}
+            {% if options.samples %}
+              {% if samples_enabled %}
+                Enabled
+              {% else %}
+                Requires distribution
+              {% endif %}
+            {% else %}
+              Disabled
+            {% endif %}
+          {% else %}
+            Not requested
+          {% endif %}
+        </strong>
+      </li>
+      <li>
+        <span>Iterations</span>
+        <strong>{{ iterations }}</strong>
+      </li>
+      <li>
+        <span>Percentiles</span>
+        <strong>
+          {% if percentiles %}
+            {% for percentile in percentiles %}
+              {{ '%g' % percentile }}{% if not loop.last %}, {% endif %}
+            {% endfor %}
+          {% else %}
+            Defaults
+          {% endif %}
+        </strong>
+      </li>
+    </ul>
+  </div>
+</section>